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package com.vienthonga.login.action;

import com.vienthonga.common.utils.IConstants;
import com.vienthonga.common.utils.MessageUtils;
import com.vienthonga.login.logic.LoginLogic;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessages;

/**
 *
 * @author dangkhoa
 */
public class LoginAction extends org.apache.struts.action.Action {    

    private static final Logger logger = Logger.getLogger(
            LoginAction.class.getName());
    /* forward name="success" path="" */
    private static final String SUCCESS = "success";
    private static final String FAILURE = "failure";
    
    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param form The optional ActionForm bean for this request.
     * @param request The HTTP Request we are processing.
     * @param response The HTTP Response we are processing.
     * @throws java.lang.Exception
     * @return
     */
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {        
        logger.log(Level.INFO, mapping.getPath());
        
        LoginForm loginForm = (LoginForm)form;
        LoginLogic logic = new LoginLogic();
        
        String result = logic.login(loginForm.getEmail(), loginForm.getPassword());

        if (result != null){
            HttpSession session = request.getSession();
            session.setAttribute(IConstants.USERNAME_LOGIN_SESSION_KEY,
                    result);
            return mapping.findForward(SUCCESS);
        }else{
            String [] messageKeys = {"login.error"};
            ActionMessages messages = MessageUtils.findMessages(messageKeys);
            addErrors(request, messages);
            return mapping.findForward(FAILURE);
        }
        
    }
}
